(Imam Bukhari narrates that) Abdullah bin Yusuf narrated to us, he said: Imam Malik bin Anas informed us, from Ibn Shihab, from Salim bin Abdullah, from his father, that

the Messenger of Allāh ﷺ passed by a man of the Ansar, who was advising his brother regarding modesty. Then the Messenger of Allāh ﷺ said: Leave him, because modesty is part of faith.